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Hi,<br>
<font color="black"><br>
Thanks for you reply. As the first approach I applied the <span
class="398475316-14012003"><font face="Comic Sans MS" size="2">'<b>check_by_ssh</b>'
solution for couple of machines. <br>
I have here around 100 PC and plan to perform two remote </font></span>checks
on each of them. Could you tell me at which point I might <br>
hit the wall/scalability problem ?<br>
My future plans will be most probably SNMP based, but I am a bit </font>hesitant<font
color="black"> if it is really needed with this number of host/services
??<br>
<br>
Thnaks in advance for your comments.<br>
<br>
Regards,<br>
Marian<br>
</font><br>
Carroll, Jim P [Contractor] wrote:<br>
<blockquote type="cite"
cite="mid74D428BDBFD5D04CB54E84499ECA29DB2F24F9@PKDWB03C.ad.sprint.com">
<meta http-equiv="Content-Type" content="text/html; ">
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<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">A common question, one which burned in my mind
when I came to that crossroads, and perhaps one which should be added to
the FAQ.</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">I'll throw my $0.02 in, but YMMV, and I'm sure
you'll get some variance in opinions.</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">- check_by_ssh -- great for punching through firewalls
where port 22 is already open (saves you having to punch more holes); doesn't
scale well, because of the crypto computations</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">- NRPE -- it's what I'm using; many aren't thrilled
with having to manage multiple nrpe.cfg files across every client; I've
managed to make do</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">- nrpep -- not terribly familiar with it; basically
a variation on the NRPE theme, I believe, except in Perl</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">- nagios_statd -- for starters, you'd have to install
Python on ever client you wish to install this on; I also seem to recall
reading a post to the list where someone was having problems expanding on
the functionality</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">- check_snmp -- this is something I've been pondering
for a while, and would like to try; someone posted very recently that it's
quite lightweight; you'll need the SNMP binaries installed on the Nagios
host as well as every client; not sure, but I'm guessing that the lion's
share of the SNMP effort is peeling back the layers to find exactly what
things you can monitor</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">- NSCA -- this is the passive approach, meaning
the client will need to contact the server; I pondered this as an option,
but nobody could tell me how well it scales, or whether it would suffice
as a replacement for the active checks that NRPE gives me</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">In summary, I'm using NRPE, and am considering
adding/switching to check_snmp.</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">HTH.</font></span></div>
<div><span class="398475316-14012003"></span> </div>
<div><span class="398475316-14012003"><font face="Comic Sans MS"
color="#000080" size="2">jc</font></span></div>
<blockquote
style="border-left: 2px solid rgb(0,0,128); padding-left: 5px; margin-left: 5px;">
<div class="OutlookMessageHeader" dir="ltr" align="left"><font
face="Tahoma" size="2">-----Original Message-----<br>
<b>From:</b> Marian Zurek [<a class="moz-txt-link-freetext" href="mailto:Marian.ZUREK@cern.ch">mailto:Marian.ZUREK@cern.ch</a>]<br>
<b>Sent:</b> Tuesday, January 14, 2003 10:35 AM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:nagios-users@lists.sourceforge.net">nagios-users@lists.sourceforge.net</a><br>
<b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:Marian.ZUREK@cern.ch">Marian.ZUREK@cern.ch</a><br>
<b>Subject:</b> [Nagios-users] NRPE vs. check_by_ssh vs. nagios_statd<br>
<br>
</font></div>
Hi all,<br>
<br>
I started to use the NAGIOS and came to the question which facility
out of : <br>
<br>
<b>- check_by_ssh<br>
- </b><b>NRPE</b> <br>
<b>- nrpep<br>
- nagios_statd<br>
- ???<br>
<br>
</b> should choose the for the remote checks (disk space, free
memory, etc.). <br>
I plan also to perform the SNMP based queries in the future also.<br>
<br>
As I am quite new in the "business" I will be grateful for sharing
your experience. <br>
<br>
Regards,<br>
Marian<br>
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